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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does TF stand for?
💡 Hint: It's the first part of TF-IDF.
Question 2
Easy
What does IDF measure?
💡 Hint: Think of the word 'Inverse' in IDF.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does TF-IDF measure?
- The frequency of a word
- Word importance in a document
- Document length
💡 Hint: Think about why we analyze text.
Question 2
True or False: High IDF suggests a term is common across documents.
- True
- False
💡 Hint: Focus on the meaning of 'Inverse'.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have 5 documents and the term 'machine' appears in 3. Calculate its IDF and TF given it appears 4 times in a document of 200 words.
💡 Hint: Calculate IDF, then TF, and multiply them.
Question 2
If a term appears in every document of a dataset and its TF is high, what does that imply about its IDF?
💡 Hint: Consider why commonality affects uniqueness.
Challenge and get performance evaluation